<template>
  <el-header>
    <div class="l-content">
        <!-- 图的展示 -->
        <el-button size="small" plain @click="handleCollapse">
            <el-icon :size="20">
                <Menu />
            </el-icon>
        </el-button>
        <el-breadcrumb separator="/" class="bread">
          <!-- 首页写死 -->
          <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>

          <el-breadcrumb-item :to="current.path" v-if="current">
            {{ current.label }}
          </el-breadcrumb-item
          >
        </el-breadcrumb>
    </div>
    <div class="r-content">
      <el-dropdown>
    <span class="el-dropdown-link">
      <el-icon class="el-icon--right">
        <img class="user" :src="getImgSrc('user')" alt="" />
      </el-icon>
    </span>
    <template #dropdown>
      <el-dropdown-menu>
        <el-dropdown-item>个人中心</el-dropdown-item>
        <el-dropdown-item @click="handleLoginOut">退出</el-dropdown-item>
        
      </el-dropdown-menu>
    </template>
  </el-dropdown>
    </div>
  </el-header>
    
</template>
<script>
import { computed } from 'vue';
import {useStore} from 'vuex';
import { useRouter } from 'vue-router';
export default {
  setup() {
    let store = useStore();
    const router=useRouter();
    // const imgSrc = require('../assets/images/user.png');
    const getImgSrc = (user) => {
    return new URL(`../assets/images/${user}.png`, import.meta.url).href;
    };
    let handleCollapse=()=>{
      //条用vuex中的mutations
      store.commit("updateIsCollapse")
    };
    //计算属性

    const current=computed(()=>{
      return store.state.currentMenu;
    });
    const handleLoginOut=()=>{
      store.commit('cleanMenu');
      router.push({
        name:'login',
      })
    }
    return{
      // imgSrc,
      getImgSrc,
      handleCollapse,
      current,
      handleLoginOut,
    };
    
  },
}
</script>

<style lang="less" scoped>
header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  background: #333;
}
  .r-content{
    .user{
      width: 40px;
      height: 40px;
      border-radius: 50%;
    }
  }
.l-content{
  display: flex;
  align-items: center;
  .el-button{
    margin-right: 20px;
  }

  h3{
    color: #fff;
  }
}

// .bread /deep/ span{
//   color: #fff !important;
//   cursor: pointer !important;;
// }
:deep(.bread span){
  color: #fff !important;
  cursor: pointer !important;
}

</style>


